Kennebunk Beach Surf Break

Lat Long: 43.34° N 70.51° W

Kennebunk Beach Surf Forecast and Surf Report

Issued: 7 am 10 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kennebunk Beach sea temperature is
20.3° C
1.7° 

Kennebunk Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Kennebunk Beach surf forecast from 10 Aug 2026:

  • Most powerful swell: Thursday 13 Aug, 8PM (local time) - 5ft (1.6m), 6s period, S swell with 160 kJ wave energy.

Best Forecast Surf Conditions for Kennebunk Beach this week:

The most powerful waves expected at Kennebunk Beach in the next 16 days are 1.6m 6s and forecast to arrive on Thursday (Aug 13) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Friday (Aug 14) at 2AM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 8PM (Thu 13th Aug)5ft (1.6m) 6s

Table - best surf conditions forecast for Kennebunk Beach over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s take a proper look at what Kennebunk Beach has got cooking for us over the next couple of weeks. I’ll be straight with you – it’s a bit of a slow burn, but there’s a light at the end of the tunnel if you’re patient.

Right off the bat, the first week is pretty much a write-off. From Monday the 10th right through to the morning of Tuesday the 18th, it’s a long stretch of flat to tiny, messy waves that are just not worth paddling out for. The winds are mostly side-on or onshore, and the combined swell energy is weak, mostly well under 100. You’re looking at a long, quiet period there.

The first real glimmer of hope shows up on Wednesday morning, August 19th. Now, this is the standout of the whole outlook. We’ve got a bit of a pulse coming in – a clean 0.5m (2ft) swell from the SE, and get this, it’s *glassy*. The wind is a dead calm glass-off, which is a rare treat. The combined swell energy is moderate at 144, and the period is a solid 12 seconds, so it’s groundswell. This is a long period swell, meaning it’ll offer up some proper shape and a bit of push, perfect for the points and reefs rather than just closing out on the beach. It’s not big, but for a sheltered spot like Kennebunk, that glassy surface and that little bit of energy will make it feel much better than the number suggests. The water’s already a touch warmer than normal, sitting about 69°F, so you won’t need a thick suit.

After that little blip, it gets a bit messy again through the end of the week. Thursday the 20th and Friday the 21st see some bigger swell (up to 1.4m / 5ft) but the winds turn onshore and choppy, and that combined energy jumps up but the quality goes right out the window. It’s not worth getting excited about.

Rolling into the second week, we get another potential window. Saturday morning, August 22nd looks promising. It’s a smaller day, around 0.9m (3ft) from the SE, but the wind is clean and cross-offshore. The combined energy is a moderate 99. It won’t be a world-beater, but with a clean surface and a bit of shape, it’ll be a pleasant paddle.

Then Sunday morning, August 23rd, things get small again (0.4m / 1ft) but it’s *glassy* once more. The wind is glass, and the swell is from the ESE. It’s tiny, but if you’ve got a foamie, it might just be fun. The energy is low at 53.

Monday morning, August 24th offers up a cleaned-up 0.8m (3ft) swell with a moderate offshore wind from the ENE. It’ll be clean, but the period is short at 4 seconds, so it’ll lack any real punch. The combined energy is weak at 42.

Tuesday morning, August 25th is the last call for this outlook. We see 0.8m (3ft) from the SSE with clean cross-offshore winds. The combined swell energy is a moderate 98. It’s not a standout, but it’s a clean, fun-sized option to end the run.

So to wrap it up, the 19th of August is the clear hero of this forecast – that glassy, long-period morning is the only true golden window. The rest is a waiting game with a few small, clean windows for the patient ones. A blank run like this is pretty normal for this spot, so don’t stress it. Forecasts can always change.

Rusty.

Short Range Forecast

Some drizzle, heaviest during Mon night. Warm (max 29°C on Tue afternoon, min 18°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 4mm), mostly falling on Thu afternoon. Warm (max 24°C on Thu afternoon, min 16°C on Fri night). Winds increasing (calm on Thu morning, fresh winds from the NW by Fri afternoon).

Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.1
SE
9
0.1
SE
10
0.6
S
4
0.4
SSE
4
0.2
ESE
9
0.2
ESE
9
0.1
SE
8
0.2
ESE
8
0.1
SE
11
0.1
SE
10
0.9
S
4
0.1
SE
13
0.6
W
4
0.3
SE
10
0.3
SSE
7
0.2
SSE
7
0.2
SSE
7
0.2
SSE
9
0.3
SE
9
0.2
SSE
9
0.5
S
4
Wave Graph
Metric surfscale
Energy kJ
3
4
10
6
8
8
3
8
5
4
26
7
9
15
9
5
6
8
12
8
7
Wind (km/h)
10
S
15
SSE
10
SW
20
WNW
20
NW
10
NW
5
NW
10
S
5
NW
10
S
15
SSW
20
SW
25
WNW
25
NW
15
WNW
5
NNW
10
SSE
10
NW
10
SW
20
WSW
15
SW
Wind State
cross-on
cross
on
cross-on
cross
cross
cross
cross-on
cross
cross-on
cross-on
on
cross
cross
cross
cross-off
cross-on
cross
on
on
on
High Tide
9:35AM2.60m
9:49PM3.17m
10:35AM2.72m
10:49PM3.24m
11:30AM2.85m
11:44PM3.27m
12:21PM2.95m
00:36AM3.24m
1:09PM3.01m
1:25AM3.14m
1:56PM3.01m
2:14AM3.00m
2:41PM2.96m
3:03AM2.82m
Low Tide
3:25PM0.18m
4:19AM-0.19m
4:26PM0.07m
5:14AM-0.27m
5:23PM-0.02m
6:05AM-0.31m
6:17PM-0.08m
6:53AM-0.30m
7:08PM-0.09m
7:39AM-0.22m
7:58PM-0.05m
8:23AM-0.09m
8:48PM0.04m
part cloud
clear
rain showers
clear
clear
part cloud
clear
part cloud
part cloud
cloud
rain showers
rain showers
clear
clear
clear
clear
part cloud
clear
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:41
5:41
5:43
5:43
5:45
5:46
5:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:52
7:51
7:50
7:47
7:46
7:45
7:44
 mm
1
1
3
Temp °C
25
25
22
27
29
24
26
27
22
23
24
22
23
24
20
21
23
21
22
22
20
Feels °C
24
23
22
24
24
23
25
26
21
21
23
23
18
18
17
19
21
21
20
19
18
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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Information about the Kennebunk Beach Surf forecast

The above surf forecast table for Kennebunk Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kennebunk Beach can be found by selecting the local surf guide option on the grey menu. Our Kennebunk Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kennebunk Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Kennebunk Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Kennebunk Beach is 17 km (11 miles) from Biddeford. If you plan a vacation in Maine, look for hotels and other accommodation in Biddeford. Biddeford has rooms for a wide range of budgets as well as car hire and transport links.

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